| bifurcate | bifurcarse |
| bifurcation | bifurcación |
| big | mayor |
| Big Apple | Gran Manzana |
| Big Bad Wolf | Lupus |
| Big Bang | Teoría del Big Bang |
| Big Bang nucleosynthesis | Nucleosíntesis primordial |
| Big Barda | Big Barda |
| Big beat | Big beat |
| Big Beautiful Woman | BBW |
| Big Ben | Big Ben |
| Big Bird | Big Bird |
| Big Boss | Big Boss |
| Big Brother | Gran Hermano |
| big cheese | pez gordo |
| Big Crunch | Gran Implosión |
| Big Daddy | Un papá genial |
| Big Daddy Kane | Big Daddy Kane |
| Big Dipper | Osa Mayor |
| big ears | oreja indiscreta |
| Big Easy | Nueva Orleans |
| big eater | comilón |
| Big Fat Liar | Un gran mentiroso |
| big fire | incendio |
| Big Foot | Si Tanka |
| Big Four | Los cuatro grandes |
| Big Four auditors | Procesos de negocio |
| Big Freeze | Big Freeze |
| big game | gamo grande |
| big hairy armadillo | quirquincho grande |
| Big league | Meistriliiga |
| Big Love | Big Love |
| Big Mac | Big Mac |
| Big Mac Index | Índice Big Mac |
| Big Man | Big Boss |
| Big Night | Big Night |
| Big Number | Big Boss |
| Big O notation | Cota superior asintótica |
| big picture | impresión general |
| Big Pun | Big Pun |
| Big Rip | Gran Desgarramiento |
| Big Rock Point Nuclear Power Plant | Central nuclear Big Rock Point |
| Big Six wheel | La Ruleta de la Suerte |
| Big stick Diplomacy | Gran Garrote |
| Big Syke | Big Skye |
| big toe | dedo gordo del pie |
| Big top | Capital |
| Big Top Pee-wee | Big Top Pee-wee |
| Big Trouble in Little China | Golpe en la Pequeña China |
| big-bellied | barrigón |
| big-boned | huesudo |
| Big-character poster | Dazibao |
| Big-league | Meistriliiga |
| big-mouthed | fanfarrón |
| big-time sport | deporte de alta competición |
| bigamist | bígamo |
| bigamous | bígamo |
| bigamy | bigamia |
| Bigas Luna | Bigas Luna |
| Bigcone Douglas-fir | Pseudotsuga macrocarpa |
| Bigeye thresher | Alopias superciliosus |
| Bigfoot | Pie Grande |
| bighead | fanfarrón |
| bighearted | generoso |
| bight | curva |
| Bight of Benin | Benín |
| Bight of Bonny | Biafra |
| Biglen | Biglen |
| Bigly | Grande |
| bigmouth | bocaza |
| Bignonia | Bignonia |
| Bignoniaceae | Bignoniaceae |
| Bigorre | Bigorra |
| Bigos | Bigos |
| bigot | fanático |
